Porter's Five Forces Analysis Method is a model that evaluates the competitive intensity of a market. It is used to analyze the attractiveness of an industry and predict its future. Porter's Five Forces Analysis Method helps businesses determine how powerful the competition is in their industry, which allows them to make more informed decisions on their strategy and business plan. This method can be used in various industries such as retail, manufacturing, and services. It has been widely used by companies like Coca-Cola and IBM to understand their competitive environment.